SMITHSONIAN  INSTITUTION 

UNITED  STATES  NATIONAL  MUSEUM 
Bulletin  100 

VOLUME  1,  PART  8 


CONTRIBUTIONS  TO  THE  BIOLOGY  OF  THE 

PHILIPPINE   ARCHIPELAGO   AND 

ADJACENT  REGIONS 


POLYCHAETOUS  ANNELIDS  COLLECTED 

BY  THE  UNITED  STATES  FISHERIES 

STEAMER  "ALBATROSS"  IN  THE 

WATERS  ADJACENT  TO  THE 

PHILIPPINE   ISLANDS   IN 

1907-1910 


By  A.  L.  TREADWELL 

Of  the  Department  of  Zoology,  Vassar  College 
Poughkeepsie,  New  York 


WASHINGTON 

GOVERNMENT  PRINTING  OFFICE 
1920 


SMITHSONIAN  INSTITUTION 

UNITED  STATES  NATIONAL  MUSEUM 
Bulletin  100 

VOLUME  1,  PART  8 


CONTRIBUTIONS  TO  THE  BIOLOGY  OF  THE 

PHILIPPINE   ARCHIPELAGO   AND 

ADJACENT  REGIONS 


POLYCHAETOUS  ANNELIDS  COLLECTED 

BY  THE  UNITED  STATES  FISHERIES 

STEAMER  "ALBATROSS"  IN  THE 

WATERS  ADJACENT  TO   THE 

PHILIPPINE   ISLANDS   IN 

1907-1910 


By  A.  L.  TREADWELL 

Of  the  Department  of  Zoology,  Vassar  College 
Poughkeepsie,  New  York 


WASHINGTON 

GOVERNMENT  PRINTING  OFFICE 
1920 


_ 
/-,  /  UNIVEBSmr  OF  CALIFORNIA 


LIBRARY 
r  OF  CA 
SANTA  BAKBAJU 

7-7 


POLYCHAETOUS  ANNELIDS  COLLECTED  BY  THE 
UNITED  STATES  FISHERIES  STEAMER  "ALBATROSS  " 
IN  THE  WATERS  ADJACENT  TO  THE  PHILIPPINE 
ISLANDS  IN  1907-1910. 


By  A.  L.  TREADWELL, 

Of  the  Department  of  Zoology,  Vassar  College,  Poughkeepsie,  New  York. 


INTRODUCTION. 

Some  time  ago  the  polychaetous  annelid  collections  made  by  the 
United  States  Bureau  of  Fisheries  Steamer  Albatross  in  the  Philip- 
pines were  sent  me  for  description.  As  a  result  of  a  preliminary 
study  the  old  species  were  identified  and  sent  to  the  United  States 
National  Museum  some  two  years  ago.  Two  new  species  were  also 
described,  but  since-  pressure  of  other  duties  prevented  my  continuing 
the  work  the  remainder  of  the  collection  was  turned  over  to  my  as- 
sistant, Miss  Ruth  Hoagland,  whose  report  follows  this.  A  few 
old  species  which  I  had  overlooked  are  included  in  her  report.  These 
two  papers  together,  then,  comprise  the  report  on  the  polychaetous 
annelids  of  this  expedition. 

DESCRIPTION  OF  SPECIES. 

Family  SYLLIDAE. 
Genus  AUTOLYTUS  Grube. 

AUTOLYTUS  TRIANGULIFER   Grube. 

Autolytus  trian.yulifer  GRUBE,  1878,  p.  132,  pi.  7,  fig.  8. 

The  polybostricous  stage  was  collected  in  considerable  numbers  at 
San  Miguel  Harbor,  Ticao  Island.  Grube  reported  that  his  speci- 
mens were  incomplete.  One  specimen  in  this  collection  had  in  the 
posterior  region  31  somites  similar  in  structure,  though  narrowing 
very  noticeably  toward  the  posterior  end.  These  somites  are  largely 
covered  by  the  prominent  parapodia.  Somites  32,  33,  34,  49,  50, 
and  51  of  the  entire  body  have  small  parapodia  and  are  covered  dor- 
sally  with  a  brownish  pigment,  an  expansion  of  the  median  pigment 
spots  occurring  in  the  anterior  somites.  Behind  somite  44  was  a 
colorless  region  containing  about  six  somites  with  very  small  pjira- 

580 


ui-LLETiN  loo,  r.\rri;i>  STATES  NATIONAL  MUSEUM. 

podia  and  a  pygidinm  carrying  a  pair  ol'  anal  cirri.  They  were  too 
poorly  pre-crved  to  determine  the  precise  number  of  somite-  in- 
volved. 

Genus  SYLLIS  Savigny. 

SYLLIS   (ODONTOSYLLJS)   HYALINA  Grube. 

NI///IX  ((hltintoxullix)   lii/nlinn  CKCHK.   IMS.  ],.  rj!i.  pi.  7.  tii:.  1. 
Collected  at  San  Miguel  1  larbor.  rl'ieao  Island. 

Family  AMPHINOMIDAE. 
Genus  CHLOEIA  Savigny. 

CHLOEIA  CEYLONICA  Grube. 

Chloeia  ceylonica  GKUBE,  1878,  p.  10. 

In  this  paper  Grube  refers  to  an  earlier  paper1  which  was  not  ac- 
cessible to  me,  but  the  comparison  which  he  there  draw-  between 
C.  ceylonica  and  C.  fiwva  makes  it  certain  that  this  i-  hi-  specie-. 

Collected  at  Jolo  Anchorage,  Jolo. 

CHLOEIA   FLAVA  Pallas. 

Aphrodita  flava  PALLAS,  1766,  p.  97,  pi.  8,  figs.  7-11. 

Chloeia  flava  MC!NTOSH,  1885,  p.  8,  pi.  3,  figs.  1  and  3,  pi.  la-,  figs.  7-9. 

Collected  at  Port  Dupon,  Leyte  Sound;  Anchorage,  Tomindos 
Sound ;  D  5561,  Teomabal  Island,  Jolo,  10  fathoms.  D  5165,  Observa- 
tion Island,  Tawi  Tawi  Group,  9  fathoms,  coral  bottom. 

Genus  EURYTHOE  Kinberg. 

EURYTHOE  PACIFICA  Kinberg. 

Eurythoe  pacifica   KINBERG,   1857,   p.   14. — GRUBE,  1878,   p.  6. — McIvrosH. 
1885,  p.  27,  pi.  2,  figs.  3,  4 ;  pi.  3,  fig.  3 ;  pi.  2o,  fig.  13 ;  pi.  3a,  figs.  5-9. 

Collected  at  Nau  Wan,  Formosa;  Batan  Island;  Tataan,  Tawi 
Tawi,  San  Pascual,  Burias  Island.  A  fragment,  probably  of  this 
species,  was  collected  at  Nasugbu,  Luzon. 

Family  APHRODITIDAE. 
Genus  POLYNOE  Savigny. 

POLYNOE  MIRABILIS  Mclntosh. 

Polynoe  mirabilis  MC!NTOSH,  1885,  p.  121.  pi.  1C,,  tig.  1;  pi.  12a,  figs.  9-11.— 
TRF.ADWELL,  1906,  p.  1149. 

As  stated  in  my  original  paper,  Mclntosh's  specimen  was  undoubt- 
edly incomplete  and  had  originally  more  somites  than  lie  described. 
These  from  the  Philippines  were  approximately  TO  mm.  long  and  15 
mm.  broad  at  the  broadest  part,  thus  much  larger  than  the  Cfml- 

1  Proc.  Zool.  Soc.,  1874,  p.  10. 


POLYCHAETOUS   AXXELIDS   FROM   PHILIPPINE   SEAS.  591 

lenger  specimens.  Xo  elytra  remained  and  the  head  in  each  was 
badly  preserved,  so  that  it  was  impossible  to  be  certain  as  to  their 
normal  form.  In  all  cases  the  head  had  been  rolled  over  so  that  the 
basal  joint  of  the  median  antenna  had  been  directly  posteriorly. 
Some  of  the  few  remaining  cirri  showed  a  violet  color  and  the  inner 
surface  of  the  proboscis  is  a  dark  color,  as  described  by  Mclntosh. 

Collected  from  D5122,  Malabrigo  Light,  East  coast  of  Mindoro, 
X.  46°  W.,  20.60  miles  (13°  21'  30"  X. ;  120°  30'  33"  E.)  220  fathoms, 
green  mud  bottom.  D5114,  Sombrero  Island,  Balayan  Bay,  N.  36° 
E.,  7.2  miles  (13°  36'  11"  X.;  120°  45'  26"  E.)  340  fathoms,  fine  sand 
bottom. 

POLYNOE   OCELLATA  Mclntosh. 

Polynoe  ocellata  MC!NTOSH,  1885.  p.  126,  pi.  12,  fig.  3 ;  pi.  12«, 

A  few  were  found  at  D5382,  Arena  Point,  Luzon,  S.  55°  W.,  3.8 
miles  (13°  15'  20"  N.;  122°  45'  30"  E.),  128  fathoms,  mud  bottom, 
in  tubes  which  were  apparently  made  by  Phyllochaetopterus 
clapercdii,  though  none  of  the  animals  were  to  be  found,  and  they 
may  have  been  made  by  some  other  member  of  this  family.  Xone  of 
the  Polynoes  were  well  preserved,  but  enough  remained  to  establish 
their  identity. 

Genus  APHRODITA  Linnaeus.  '    • 

APHRODITA  ECHIDNA   Quatrefages. 

Xphrodita  ec-liifJna  QUATREFAGES,  1865,  p.  197. — MC!NTOSH,  1885,  p.  36,  pi. 
7,  figs.  1-2 ;  pi.  6«,  figs.  2,  3. 

Collected  at  D5123.  Malabrigo  Light.  East  coast  of  Mindoro, 
X.  44°  W.,  32.50  miles  (13°  12'  45"  X.;  121°  38'  45"  E.),  283 
fathoms,  green  mud  bottom. 

Genus  IPHIONE  Kinberg. 

IPHIONE   CIMEX  Quatrefages. 

Iphione  cimex  QUATKEFAGES,  1865,  p.  270. 

Iphionella  dm  ex  MC!XTOSH,  1885,  p.  58,  pi.  9,  figs.  4-Q;  pi:  18,  fig.  3;  pi.  8a, 
figs.  7,  8. 

Mclntosh  proposed  a  new  generic  name  for  this  form,  but  did 
not  define  his  generic  characters.  The  specimen  agreed  with  his 
description  except  that  he  saw  no  antennae.  No  median  antenna 
was  preserved,  but  there  were  two  lateral  antennae  with  rather  long, 
dark-colored  basal  portions  nearly  twice  as  long  as  the  head,  each 
having  a  filamentous  tip  longer  than  the  basal  portion.  On  each 
elytrophore,  underneath  the  elytron,  is  a  thin  translucent  plate  like 
a  shadow  of  the  elytron. 

Mclntosh  stated  that  the  ventral  setae  are  more  prominent  than 
the  dorsal  ones.  In  this  specimen  the  dense  tuft  of  slender  serrated 
dorsal  setae  entirely  obscures  the  stouter  ventral  one. 


592  BULLETIN   100,   UNITED  STATES   NATIONAL   MUSEUM. 

Collected   ;i(    T:it:i;in.   Siinaliic  -hore.  .-talion    I  ).>_?."> 0.   Linao   Point. 

Gulf  of  Da vao, 23  fathoms,  coral  and  -and  l)ottom. 

Genus  PALMYRA  Savigny. 

PALMYRA  AURIFERA   Savigny. 

I'lihni/ni    (iiirifrrn    SAVICNY.    ISlid.    p.    IT.      A  i  norix    AMI    M 
1832-1834,  p.  110,  pi.  I'",  Ites  1   &— CtKDBB,   ls7*.  p.   i:i.      Me  INTO 
pi.  9,  figs.  1,  2 ;  pi.  Go,  figs.  8,  9. 

I  have  doubtfully  identified  this  species.  (Jrulic  gave  out  no  fig- 
ures and  the  head  is  much  larger  and  more  distinct  than  Audouin  and 
Milne  Edwards's  figure.  It  agreed  in  general  with  the  description 
of  Mclntosh,  though  much  larger,  measuring  about  30  mm.  in  length 
by  8  in  breadth. 

Collected  at  station  D5250,  Linao  Point,  Gulf  of  Davao.  23 
fathoms,  coral  and  sand  bottom. 

Genus  EULEPETHUS  Chamberlin. 

EULEPETHUS  HAMIFERA   Grube. 

Eiilcpis  hamifera  GRUBE,  1878,  p.  52,  pi.  3,  fig.  8. 

Collected  at  station  D5235.  'Xagubat  Island,  Mindanao.  44 
fathoms,  soft  mud  bottom. 

Genus  PSAMMOLYCE  Kinberg. 

PSAMMOLYCE  FIJIENSIS  Mclntosh. 

I'xniniitnlticc   [ijini.vix   Mel. \TOSH,  1885,   p.   148,   pi.   21,   lit:.   H:   pi.   ±J,    ti.ir.   4: 
pi.  24,  fig.  6;  pi.  13ff,  fig.  18. 

One  incomplete  specimen  from  station  D5160,  Tinakta  I-land. 
Tawi  Tawi  Group,  12  fathoms,  sand  bottom. 

Genus  STHENELAIS  Kinberg. 

STHENELAIS   LUXURIOSA   Grube. 

Sthenclais  luxuriosa  GRUBE,  1878,  p.  f>4. 

Collected  at  station  D5375,  Tayalias  Light  (outer).  107  fathoms, 
green  mud  bottom;  D5423,  Cagayan  Island.  Jolo  Sea.  508  fathoms, 
gray  nnid.  coral  sand  bottom;  D5397,  Panalangan  Point,  between 
Samar  and  Mashate.  134  fathoms,  green  mud  bottom:  T").')!'."^.  I'tara 
Point,  Bongo  Island,  eastern  Illana  P>ay.  Mindanao,  _?S  fathoms,  mud 
bottom;  D5183,  Lusaran  Light,  between  Panay  and  Xegro.-.  0(1 
fathoms,  soft  green  mud  bottom:  and  n^W-J.  Tuhig  Point,  Samar. 
135  fathoms,  green  mud  and  sand  bottom. 

Fragments  of  members  of  this  family  were  collected  at  stations 
D5297,  Matcot  Point,  China  Sea,  198  fathoms,  mud  and  sand 
bottom;  and  D5108,  Corregidoi  Light.  China  Sea.  13  fathoms,  coral 
bottom,  but  were  too  much  injured  for  identification. 


POLYCHAETOUS   ANNELIDS   FROM   PHILIPPINE   SEAS. 


593 


Family  PHYLLODOCIDAE. 
Genus  PHYLLODOCE  Savigny. 

PHYLLODOCE  DUPLEX  Mclntosh. 

Pliyllodoce  duplex  MC!NTOSH,  1885,  p.  167,  pi.  27,  fig.  8;   pi.  32,  fig.  9;  pi. 
15a,  fig.  1. 

Collected  at  station  D5113,  Sombrero  Island,  Balayan  Bay,  159 
fathoms,  dark  green  mud  bottom. 

Genus  MYSTA  Malmgren. 

MYSTA  MACULATA,  new  species. 

A  single  specimen,  with  a  length  of  approximately  60  mm.  Width 
of  head  between  tentacles,  0.5  mm.;  width  at  somite  20,  1.5  mm. 
There  were  about  146  somites 
present,  the  posterior  end  having 
been  lost.  Anteriorly  the  propor- 
tion of  length  of  somite  to  breadth 
is  as  1  to  8,  and  the  dorsal  cirri  are 
inconspicuous.  Beginning  with 
approximately  the  fortieth  somite 
there  is  a  gradual  change  in  the 
proportion  of  length  to  breadth, 
and  toward  the  posterior  end  this 
proportion  is  about  as  1  to  2.  An- 
teriorly the  dorsal  cirri  are  very 
inconspicuous,  and  while  they 
overlap  one  another  to  a  certain 
extent  they  cover  no  part  of  the 
somite  surface.  Posteriorly  these 
cirri  become  much  more  promi- 
nent, but  still  do  not  overlap  the 
body.  Each  dorsal  cirrus  is 
marked  with  a  median  dark  spot, 
rather  faint  anteriorly  but  very 
prominent  posteriorly.  The  gen- 
eral body  color  (in  alcohol)  is  a 


light   brown,   marked   on   the     FlGS-  1-4.—  MYSTA  MACULATA,  I,  HEAD  X 
-,  T  ,.  \.,        ,      ,  20  ;  2,  15ra  PARAPODIUM  X45;3,  COM- 

dorsal    surface    with    dark    spots,       POUND  SETA    x   295;  4,  PARAPODIUM 
which  in  the  anterior  somites  show       FKOM  MIDDLE  REGION  x  45. 
a  tendency  to   arrange  themselves  in   a  transverse  row   near  the 
anterior  border  of  the  somite.     Ventrally  the  body  has  a  broad 
median  dark  band,  spotted  with  white. 

The  prostomium  (fig.  1)  is,  roughly  speaking,  lens-shaped,  with 
the  long  diameter  transverse,  this  long  diameter  being  about  one- 
fourth  longer  than  the  antero-posterior  one.  About  one-quarter  of 


594  BULLETIN   100,   UNITED  STATES   NATIONAL  MUSEUM. 

itfi  length  from  either  end  the  anterior  border  is  excavated  for  the 
attachment  of  a  tentacle.  The~e  are  shorter  than  the  head,  rather 
thick,  and  taper  rapidly  to  a  sharp  point.  Two  other  tentacles  are 
attached  to  the  ventral  surface  of  the  head  and  are  not  visible  from 
above.  These  are  similar  to  the  dorsal  tentacles  in  form,  but  are 
heavier.  One  pair  of  small  eyes  lies  near  the  anterior  border.  Just 
posterior  to  the  right  hand  one  of  these  is  a  dark  spot  which  re- 
sembles an  eye,  but  is.  I  think,  merely  a  surface  marking.  Two 
tentacular  cirri  on  either  side  are  attached  to  the  first  somite.  They 
are  much  like  the  tentacles  in  form,  but  about  twice  as  large.  The 
mouth  is  bounded  anteriorly  by  the  prostomium,  while  about  one- 
third  of  the  posterior  border  is  made  up  of  an  anterior  prolongation 
from  somite  2. 

The  first  parapodium  is  about  two-thirds  as  long  as  the  second,  but 
is  similar  to  it  in  all  other  respects. 

A  well-developed  parapodium  (fig.  2 — an  anterior  view  of  the 
fifteenth)  shows  the  setigerous  portion  prolonged  into  bifid  preset  a  1 
lip,  behind  which  arises  a  row  of  about  25  compound  setae  with 
elongated  basal  joints.  The  notocirrus  is  broadly  rounded  and  car- 
ried on  a  large  cirrophore.  The  neurocirrus  is  bluntly  conical  in 
outline,  with  its  dorsal  surface  next  the  setigerous  lobe  rather  deeply 
excavated. 

The  compound  seta  (fig.  3)  has  the  basal  portion  very  slightly 
curved,  the  convex  side  apparently  with  a  narrow  transparent  edge, 
which  thickens  abruptly  at  the  apex.  The  apex  has  a  sharp  hook 
at  the  end  of  the  convex  surface,  with  a  much  heavier  curved  hook 
opposite  it.  This  larger  hook  lies  a  little  inside  the  line  of  the  con- 
cave margin,  which  is  continued  into  a  much  smaller  spine.  Ap- 
parently other  smaller  spines  of  uncertain  arrangement  are  located 
around  the  base  of  the  large  hook.  The  terminal  portion  is  broad 
at  the  base  and  tapers  to  a  sharp  point,  the  whole  terminal  portion 
being  about  as  long  as  the  free  part  of  the  basal  portion.  Near  its 
base  there  are  minute  denticulations  along  its  thinner  edge.  I  was 
unable  to  determine  the  extent  of  these  denticulations.  but  think 
that  they  do  not  go  beyond  the  middle  of  the  joint.  With  careful 
focussing,  fine  lines,  giving  it  a  shagreen  appearance,  may  be  seen  on 
the  surface  of  this  terminal  joint. 

A  later  parapodium  (fig.  4)  shows  a  cirrophore  larger  than  the 
cirrus,  and  there  is  a  black  spot  in  the  center  of  the  cirrus.  In  the 
preparation  the  whole  cirrus  was  bent  away  from  the  observer  so 
that  the  cirrus  was  really  larger  than  appears  in  the  figure.  The 
setae  in  these  parapodia  are  similar  to  those  farther  forward. 

Collected  at  station  D5146,  Sulade  Island,  vicinity  of  Siasi,  24 
fathoms,  coral  sand  and  shell  bottom. 

Typc.—C&t.  No.  18940.  U.S.N.M. 


POLYCHAETOUS   AXNELIDS   FROM   PHILIPPINE   SEAS.  595 

Family  NEREIDAE. 

The  collection  contained  large  numbers  of  heteronereis  stages  of 
Nereis.  Since  during*  this  phase  the  bodily  changes  are  such  as  to 
obscure  specific  characters  I  have  relied  almost  entirely  in  determin- 
ing species  on  the  characters  of  the  jaws  and  paragnaths.  These 
determinations  must  therefore  be  regarded  as  provisional. 

Genus  NEREIS  Linnaeus. 

NEREIS  MASOLOCENSIS  Grube. 

Nereis  masolocensis  GRUBE,  1878,  p.  75,  pi.  5,  fig.  4. 

The  Albatross  specimens  corresponded  exactly  with  these  in  re- 
spect to  tooth  structure.  Grube  states  that  22  anterior  somites  are 
marked  with  a  brown  stripe  on  either  side.  In  these  not  more  than 
17  or  18  were  so  marked.  A  prominent  feature  is  a  brown  band 
across  the  entire  dorsal  surface  of  the  second  setigerous  somite. 

Collected  at  Bohuao;  Varadero  Harbor,  Mindoro;  Subic;  Tava 
Island ;  San  Miguel  Harbor ;  Varadero  Bay,  Mindoro ;  "  Electric 
light,  July  20,  1908."  station  D5403,  Capitancillo  Island,  between 
Leyte  and  Cebu,  182  fathoms,  green  mud  bottom. 

NEREIS  PECTINIFERA   Grube. 

Nereis  pedinifera  GBUBE,  1878,  p.  66,  pi.  4,  fig.  5 ;  pi.  5,  fig.  5. 
Collected  at  Labuan  Blanda  Island. 

NEREIS  TONGATABUENSIS  Mclntosh. 

Nereis  tonffatabucnsis  MCINTOSH,  1885,  p.  212,  pi.  34,  figs.  7,  8,  9;  pi.  16a, 
figs.  5.  6,  7. 

Collected  at  Nasugbu  Luzon. 

NEREIS   (PLATYNEREIS)   INTEGER,  new  species. 

An  epitokous  form,  characterized  by  an  enormous  development  of 
the  prostomium,  so  that  the  antennae  are  thrown  to  the  ventral  sur- 
face, all  that  is  visible  from  above  being  the  enormous  eyes  and  the 
shovel-shaped  prostomium  (figs.  1  and  2). 

Male. — The  prostomium  rounded,  its  margin  entire,  the  portion 
anterior  to  the  eyes  being  very  thin  and  translucent.  In  some  indi- 
viduals the  palps  may  be  seen  through  this  translucent  region.  The 
anterior  eyes  are  the  larger,  and  they  are  situated  on  the  latero- 
ventral  portion  of  the  head. 

The  dorsal  tentacular  cirrus  (lost  in  the  specimen  figured)  ex- 
tended in  other  specimens  to  the  eighth  somite.  The  median  cirri- 
(fig.  1)  are  much  shorter. 

On  the  ventral  surface  (fig.  2)  appear  the  flattened  antennae, 
which  normally  hang  at  right  angles  to  the  prostomium,  but  are 


596 


BULLETIN   100,  UNITKP  STATES    NATIONAL  MUSEUM. 


figured  as  if  pressed  against  its  lower  -urfacr.  The  large  anterior 
Byee  with  their  latero-ventrally  directed  lenses  occupy  a  considerable 
part  of  the  ventral  surface.  Posterior  and  ventral  to  these  are  the 
palp-  with  their  two  portions  nearly  equal  in  -i/.e.  hanging  down 
so  as  to  COTer  the  sides  of  the  mouth.  While  in  the  ligiire  they  are 
shown  under  slight  pre--ure.  their  direction  is  only  very  slightly 
changed  by  it. 

The  jaws  have  each  a  large  terminal  and  live  smaller  lateral  teeth. 
I  could  discover  no  trace  of  paragraths. 

The  dorsal  cirri  of  the  first  seven  somite-  are  enlarge.!,  increasing 
succe— ively  in  size  until  the  seventh  is  reached  (fig.  3  of  the 

seventh).  The  notopodium 
has  two  obtuse  subequal 
lobes,  the  acicula  extending 
into  a  short  conical  lobe 
between  them.  The  neuro- 
podium  has  a  dorsal  coni- 
cal lobe,  into  which  the 
acicula  extends,  and  an 
obtuse  ventral  lobe  similar 
to  that  of  the  notopodium. 
Dorsal  cirrus  elongated, 
its  terminal  portion  bent 
and  slightly  flattened  as 
shown,  somewhat  fore- 
shortened, in  the  figure. 

Setae  of  notopodium 
with  long  "  camerated " 
shafts,  the  terminal  joint 
set  into  rather  a  deep 
socket.  The  terminal  joint 
is  long,  slender,  and  very 
sharp  pointed,  with  nu- 
merous very  sharp  teeth 
along  the  greater  part  of 
one  edge.  The  teeth  are 

all  drawn  out  into  fine  processes,  which  bend  apically  so  that  each 
covers  over  several  of  those  distal  to  it.  In  the  ventral  bundle  are  a 
few  similar  to  the  dorsal  and  others  having  the  terminal  portion 
short,  narrow  as  compared  with  the  basal  joint,  with  one  large  tooth 
at  the  apex  and  a  row  of  very  line  teeth  along  one  margin. 

The  para  podia,  from  eighth  to  fourteenth  inclusive,  are  unmodified, 
though  the  general  structure  of  neiiropndium.  notopodium.  ventral 
cirri,  and  setae  are  essentially  as  in  the  -e\enth.  The  dorsal  cirrus 
is  much  shorter  and  tapers  slowly  to  a  blunt  end. 


FIGS.  1-4. — XKKKIS  IXTKCKII.  1,  DHHSAI.  VIEW  OF 
HBAD  X  22 ;  2,  VEXTUAI,  VIEW  01-  HEAD  X  22 ;  3, 
TTH  PARAFODIOM  X  45;  4,  STH  PARAPODICM  X  4f>. 


POLYCHAETOUS   ANNELIDS   FROM  PHILIPPINE   SEAS.  597 

The  parapodial  modifications  begin  on  somite  15.  In  a  modified 
parapodium  the  neuropodium  has  a  dorsal,  and  the  notopodium  a 
ventral  sagittal  lobe,  which  overlap,  the  notopodial  being  anterior. 
Dorsal  to  the  slender  dorsal  cirrus  is  a  broad  rounded  lobe  with 
ventral  to  it,  a  lanceolate  one  extending  to  nearly  the  end  of  the 
cirrus.  The  ventral  cirrus  is  much  like  the  dorsal  in  form,  but  rela- 
tively a  little  heavier.  Ventrally  it  carries  a  plate  shaped  like  that 
of  the  dorsal  but  larger.  Dorsally,  attached  to  its  base,  this  cirrus 
carries  a  zigzag  three-pronged  outgrowth,  while  on. the  ventral  sur- 
face of  the  neuropodium  is  another  outgrowth  very  similar  to  this 
but  with  four  prongs.  The  setae  are  of  the  usual  type  with  broad 
terminal  joint  toothed  along  one  edge. 

Most  individuals  show  traces  of  brown  spots  on  the  dorsal  sur- 
'  face.  When  best  developed  these  appear  in  the  anterior  unmodified 
portion  as  prominent  spots  on  the  parapodia  from  the  eighth  to  the 
fifteenth.  In  the  modified  portion  there  is  a  median  dorsal  and  two 
lateral  brown  spots  in  each  somite,  with  a  double  row  of  smaller 
brown  spots  on  the  dorsal  surface  of  each  parapodium.  Ventrally 
these  markings  are  most  prominent  in  the  modified  region,  where 
the  median  row  breaks  up  into  a  double  row  of  smaller  spots  and  the 
parapodial  row  tend  to  coalesce  into  a  single  one. 

In  the  collections  were  a  number  of  females  in  the  epitokous  condi- 
tion, but  none  which  resembled  the  above-described  males  sufficiently 
to  justify  one  in  identifying  them  as  of  this  species. 

Collected  from  Subic  Bay;  Santa  Cruz  Harbor,  Marinduque;  San 
Miguel  arbor,  Ticao  Island,  a  large  number  of  individuals  being 
from  the  latter  locality ;  Port  Matalvi,  Luzon,  and  Romblon. 

7>/^.— Cat.  No.  18939,  U.S.N.M.,  from  latter  locality. 

Family  LEODICIDAE. 
Genus  LEODICE  Savigny. 

LEODICE   APHRODITOIS   Pallas. 

Eunice  aphroditois  PALLAS,  1766.— EHLEKS,  1864-1868,  p.  306,  pi.  15.  figs. 
23-29. 

Collected  at  Batan  Island. 

Genus  AGLAURIDES  Ehlers. 

AGLAURIDES   FULGIDA   Saviffny. 

Aylaurides  fulgida  SAVIGNY,  1820,  p.  54.— GRUBE,  1878,  p.  172. 

Collected  at  station  D5179. 

Fragments  of  a  Leodice  were  collected  at  station  D5401,  Tan- 
guingui  Island,  north  of  Cebu,  30  fathoms,  fine  sand  bottom. 


;V.)X  BULLETIN   100,  UNITED  STATES   NATIONAL   MUSEUM. 

Genus  HYALINOECIA  Malmgren. 

I-'ragmonts  of  a  Ili/alinoccia  and  numerous  tubes  were  collected 
from  tin1  following  localities.  No  individuals  were,  well  enough 
preserved  to  enable  (he  >]>eeies  to  be  identified.  !).'»( ».'i4.  Cape  Tabsko, 
Gulf  of  Boni,  805  fathoms.  I)5i:;i).  Hermana  Mayor  Light.  Wt--t 
coast  of  Luzon,  940  fathoms,  green  mud  bottom.  D5209,  Tarainra 
Island,  off  western  Samar,  20  fathoms,  green  mud.  D5619,  March 
I -hind,  Molucca  Passage,  435  fathoms,  fine  gray  sand  bottom.  I  ).M :'.:.'. 
Island  off  Panabutan  Point,  Sulu  Sea,  26  fathoms,  green  mud  and 
sand  bottom.  D5432,  Corandagos  Island,  Eastern  Palawan.  .M 
fathoms,  sand  bottom.  D5187,  Apo  Island,  Tanon  Strait.  ±J."» 
fathoms,  soft  green  mud  bottom.  D5365,  Cape  Santiago  Light. 
Balayan  Bay,  214  fathoms.  D5606,  Dodepo  Island,  Gulf  of  Tomini. 
Celebes,  834  fathoms,  green  mud  bottom.  D5670,  Chenoki  Point. 
Macassar  Strait,  1,181  fathoms,  gray  mud  bottom.  D565C, 
Point,  Gulf  of  Boni,  484  fathoms,  gray  mud  bottom.  D512G,  N 
Island,  Sulu  Sea,  742  fathoms,  soft  green  mud.  D5181,  Antonia 
Island,  off  eastern  Panay,  26  fathoms,  mud  and  fine  sand  bottom. 
D5582,  Si  Amil  Island,  Darvel  Bay,  Borneo,  890  fathoms,  gray  mud 
and  fine  sand  bottom. 

HYALINOECIA  CAMIGUINA  Grubc. 

Ui/iiJinoccia  camiguina  GKUBE,  1878,  p.  142,  pi.  10,  figs.  1,  la,  16. 

While  most  of  the  specimens  of  this  genus  were  represented  by 
either  the  tubes  alone  or  fragments  of  the  animals,  one  lot  from 
D5483,  Cabugan  Grande  Island,  between  Samar  and  Leyte.  74 
fathoms,  sand  and  broken  shell  bottom,  contained  a  number  of  well- 
preserved  individuals  of  this  species.  These  were  not  easily  removed 
from  the  tubes  without  injury,  but  all  points  in  their  external 
anatomy  could  be  seen  through  the  transparent  tube. 

Family  MALDANIDAE. 
Genus  MALDANE  Grube. 

MALDANE  DISPARIDENTATA  Moore. 

Mulilune  dfeparidentata  MOORE,  1904,  p.  494,  pi.  38,  figs.  28-31. 
A  single  specimen,  retaining  only  about  12  of  the  anterior  somites 
and  two  from  somewhere  near  the  middle  of  the  body,  were  collected 
at  D5592,  Silungan  Island,  Sibuko  Bay,  Borneo,  305  fathoms,  green 
mud  bottom.  Fragments  of  the  anterior  ends  of  others  were  col- 
lected at  D5207,  Badian  Island,  Samar,  35  fathoms,  green  mud  and 


POLYCHAETOUS   ANNELIDS   FROM   PHILIPPINE   SEAS.  599 

sand  bottom;  and  D5209,  Taratara  Island,  Samar,  20  fathoms,  green 
mud  bottom.  I  have  identified  them  as  of  this  species  from  the  form 
of  the  head  and  anterior  somites  and  of  the  setae. 

MALDANE   SARSII  Malmgren. 

Malilanc  Sfirsii  MALMGREN,  1865,  p.  188. — AKWIDSSON,  1906,  p.  251,  pi.  6,  figs. 
192-199 ;  pi.  10,  figs.  333-338. 

In  identifying  these  as  sarsii  I  have  followed  Arwidsson's  diag- 
nosis of  the  species. 

One  entire  specimen  and  some  fragments  in  mud  tubes  taken  from 
D5585,  Siclipan  Island,  Sibuko  Bay,  Borneo,  476  fathoms,  gray  mud 
bottom.  Another  was  from  D5368,  Tayabas  Light,  Verde  Island 
Passage,  181  fathoms,  gray  mud  bottom;  and  a  fragment  from 
5533,  Balicasag  Island,  between  Cebu  and  Siquijor,  432  fathoms, 
green  mud  and  sand  bottom. 

Family  AMPHICTENIDAE. 
Genus  PECTINARIA  Lamarck. 

PECTIN  ARIA   CLAVA?   Grube. 

Pcctinaria  clava  GRUBE,  1878,  p.  212,  pi.  11,  fig.  3. 

This  I  have  doubtfully  identified  as  of  this  species,  as  the  speci- 
mens had  dried  and  details  of  structure  were  difficult  to  make  out. 

Collected  from  station  D5162,  Tinagta  Island,  Tawi  Tawi  Group, 
230  fathoms,  coarse  sand  and  broken  shell  bottom. 

Part  of  a  tube  of  pectinaria,  species?  was  dredged  at  station 
D5206.  Badian  Island,  Samar,  32  fathoms,  green  mud  bottom. 

Family  GLYCERIDAE. 
Genus  GLYCERA  Savigny. 

GLYCERA  LONGIPINNIS  Grube. 

Glycera  longipinnis  GRUBE,  1878,  p.  182,  pi.  8,  fig.  9. 

Station  5113,  Sombrero  Island,  Luzon,  159  fathoms,  dark  green 
mud  bottom. 

Family  CHAETOPTERIDAE. 
Genus  PHYLLOCHAETOPTERUS  Grube. 

PHYLLOCHAETOPTERUS   CLAPEREDII  Mclntosh. 

PhyUochaetopterus  claperedii  MC!NTOSH,  1885,  p.  374,  pi.  45,   figs.  9,   10, 
lOo,  11 ;  pi.  26,  fig.  1 ;  pi.  24a,  figs.  1-5. 

Tubes  containing  portions  of  the  anterior  ends  of  two  specimens 
were  collected  at  Station  D5206,  Badian  Island,  Samar,  32  fathoms, 
green  mud  bottom.  Large  numbers  of  tubes  without  any  of  the 


600  BULLETIN   100,   UNITED  STATES   NATIONAL   MUSK  I   M  . 

animals  were  collected  at  -tali.  .11  D5382,  Arena  Point.  K,ILM\  <iulf. 
Lii/on.  !•_'>  fathoms  mud  Ixittmn:  ;m<l  they  were  also  found  at 
D520!>.  Tai-atai-a  Island,  Samar,  i'i»  1'atlmms,  given  mud  liollom. 

Family  TEREBELLIDAE. 

Genus  LOIMA  Malmgren. 

LOIMA    MONTAGUI    Grube. 


7V/-,  h,'lln  iii»,it<t,nii  (liMKi:.   IMS,  ],.  ij-_'  1.  p|.    1'J,  11-.  3. 

Collected  at  Station  D5160,  Tinakta  Island,  Tawi  Tawi  Group. 
12  fathoms,  sand  bottom. 

LOIMA  ANNULIFILIS  Grube. 

T'-iTitflln  niniiilifilis  GBUHE,  1878.  p.  UiM.  pi.  13,  fig.  2. 
Two  specimens  were  in  the  collection,  one  having  lost  all  of  it>  i/dls 
and  on  the  other  only  fragments  of  these  organs  remained.    Enough 
were  present,  however,  to  establish  the  diagnosis  of  the  species,  and 
they  agreed  in  other  respects  with  Grube's  description. 

Station  5209.  Taratara  Island,  Samar,  20  fathoms,  green  mud 
bottom. 

Genus  PISTA  Malmgren. 

FISTA  TYPHA   Grube. 

Pista  typha  GRUBE,  1878,  p.  232,  pi.  12,  flg.  4. 

Collected  at  Stations  5428,  30th  of  June  Island,  Palawan,  1,105 
fathoms,  gray  mud  bottom;  and  D5209,  Taratara  Island,  Samar, 
20  fathoms,  green  mud  bottom. 

Family  CAP1TELLIDAE. 

Genus  DASYBRANCHUS  Grube. 

DASYBRANCHUS  UMBRINUS  Grube. 

Dtixi/hriinchns  itiiihrinux  <;i:ri;K.  1878,  p.  189. 

Collected  at  D5372,  Tayabas  Light,  Marinduque  Island,  givi-ii  mim 
bottom. 

Family  SABELLIDAE. 

Genus  SABELLA  Linnaeus. 

SABELLA  SPECTABILIS   Grube. 

Sabclla  spcrttiliilix  (Jiu  1:1;,    1S7S.  ]..  LM3,  pi.  14,  tig.  4. 

T\\n  bottles  containing  this  species.  One  was  labeled  Al."»-_'l. 
F2599,  and  the  other  A4371,  F.2542. 

Tubes  of  a  sabellid  were  collected  from  D5213,  Destacado  Island, 
east  of  Masbate  Island,  80  fathoms,  sand,  mud,  and  shell  bottom; 


- 

POLYCHAETOUS   ANNELIDS   FROM   PHILIPPINE   SEAS.  601 

5300,  20°  31'  X.:  115°  49'  E..  265  fathoms, -gray  mud  and  sand 
bottom;  and  D5411,  Lauis  Point,  between  Cebu  and  Bohol,  145 
fathoms,  green  mud  bottom. 

Family  SERPULIDAE. 
Genus  SERPULA  Linnaeus. 

SERPULA   (POMATOSTEGUS)   ACTINOCERAS  Morch. 

Pomatostegus  actinoceras  MORCH,  1863,  p.  54,  pi.  11,  fig.  16.    This  reference 
quoted  from  Grube,  1878,  p.  271. 

Station  5205,  Leyte,  staghorn  coral  and  rock  bottom.  Caguayan 
Point.  ^ 

Empty  serpulid  tubes  were  collected  from  D5413,  Lauis  Point 
Light.  Dupon  Bay,  42  fathoms. 

BIBLIOGRAPHY. 

ARWIDSSOX,  I. 

1906.  Skandinavische    und    arktische    Maldauidae.      Zoolog.      Jahrbiicher, 

Suppl.  9,  Hft.  1,  pp.  1-308.  pis.  1-12. 
Arcouix,  J.  V.,  and  MILNE-EDWARDS,  H. 

1832-1834.  Recherches  pour  servir  a  1'histoire  naturelle  du  littoral  de  la 

France.     Paris,  2  vols.?  18  pis. 
CHAMBERLIN,  R.  V. 

1919.  The  Annelida  Polychaeta.  Reports  on  an  Exploration  off  the 
West  Coasts  of  Mexico,  Central  and  South  America,  and  off  the 
Galapagos  Islands,  in  charge  of  Alexander  Agassi  z  by  the  U.  S.  Fish 
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March,  1909,  Commander  Jefferson  F.  Moser,  U.  S.  X.,  commanding^ 
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EHLERS,  E. 

1864—1868.  Die -Borstenwurmer   (Annelida  chaetopoda)    nach  systematis- 

chen  und  anatomischeu  Untersuchuugen  dargestellt.     Leipzig. 
GRUBE,  E. 

1878.  Annulata  Semperiana.    Beitrage  zur  Kenntniss  der  Auuelidenfauna 
der  Philippinen  nach  den  A-on  Prof.     Semper  mitgebrachten  Sammlungen. 
Mem.  Acad.  Sci.  St.  Petersbourg,  vol.  25,  ix+300  pp.,  15  pis. 
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1857.  Ofvers.  of  K.  Yet.  Akad.  Forh. 
LEVIN  SEN,  G.   M.   R. 

1886.  Kara-Havets,  Copenhagen. 

MdNTOSH,   W.   C. 

1885.  Report  on  the  Annelida  Polychaeta  collected  by  H.  M.  S.  Challenger 
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ISC,:..  Nurdisker  ll:ilVHiiimhiter.  <  »fv.  K.  V«-t.  Akad.  Furh  .Si.-cklK.lin, 
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.M.'.i:.  n.   0.   A.    I.. 

1863.  IleviMo  n-ilira   Serpulidanmi. 
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I'.MM.  Nf\v  ['(.lyrliiH-iii  frmii  ( •;i]il'«inii;i.  I'n.c.  Ac:i<l.  Nat.  Si-i.  Phila- 
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de  QUATREFAGES,  A. 

IM;.~I.  Histoires  nnturelles  des  aiin»vl<'s  marins  »-t  d'cau  douce. 

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1766.  Miscellanea  Zoologica.    224  pp.,  14  pis. 
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1820.  Systeme  des  Ann61ides,  prinripaloment  de  celles  des  cOtes  de  I'tfgyple 

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o 


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